/*
 * Copyright 2016 University of Basel, Graphics and Vision Research Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package scalismo.sampling

/** basic Markov Chain trait: provides a next sample */
trait MarkovChain[A] {

  /** next sample in chain */
  def next(current: A): A

  /** provide a chain starting from current as an iterator */
  def iterator(current: A): Iterator[A] = Iterator.iterate(current)(next)
}
